Finding the Fourth Proportional to 208,318,663.35, 312,495,034.19 and 104,634,555.03
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Solution
The fourth proportional to 208,318,663.35, 312,495,034.19 and 104,634,555.03 is: 156,960,391.00
Step by Step Solution
- Step 1: Write the proportion equation
208,318,663.35 : 312,495,034.19 = 104,634,555.03 : x - Step 2: Convert to fraction form
208,318,663.35/312,495,034.19 = 104,634,555.03/x - Step 3: Cross multiply
208,318,663.35x = 312,495,034.19 × 104,634,555.03 - Step 4: Simplify right side
208,318,663.35x = 32,697,778,851,032,116 - Step 5: Solve for x
x = 32,697,778,851,032,116/208,318,663.35 - Step 6: Final answer
x = 156,960,391.00
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.